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Hindsight Markets Recaps Small-cap stocks on September 17, 2026

AIFF, September 17: a 7:50 headline, a 2:37 p.m. breakout, and $1.44

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AIFF opened near its previous close after news, then ran to $1.44 during the session.

News via Stock News API

News$1.44$0.9301$0.894 a.m.9:30noon4 p.m.8 p.m.
AIFF on September 17, 2026, one-minute bars, New York time. Bands: halts. Flags: the news or filing before the move. Dotted line: the previous close. Shaded: before the 9:30 a.m. open and after the 4:00 p.m. close.

What happened

A headline that faded

AIFF closed at $0.93 the day before. At 7:50 a.m. a headline lifted it to $1.12, but it was back near $0.93 within minutes. It opened at $1.02 and sat between $1.03 and $1.09 for hours.

The afternoon climb

The afternoon move started slowly. At 2:20 an 83K-share bid showed up at $1.14 and was soon pulled. The stock kept climbing in small steps.

Stop It's 2:36. AIFF is at $1.22. Twenty minutes ago it was at $1.12, and the 2:35 minute traded 22,556 shares. Would you buy here?

Press play: the real Level 2, tape and chart run from 2:33 p.m. and stop at 2:36 p.m. ET for your call.

Here's what happened. The 2:37 minute ran to $1.36 on 117K shares, the first minute over 100K. Sell orders knocked it back to $1.22, then it ran to $1.40.

Stop It's 2:55. AIFF is at $1.38. Two minutes ago it touched $1.41, the high of the day so far, and volume has been heavy for the last ten minutes. Would you buy here?

Press play: the real Level 2, tape and chart run from 2:52 p.m. and stop at 2:55 p.m. ET for your call.

Here's what happened. That minute made $1.44, the high so far. By 2:57 it was down to $1.33.

After the 2:57 dip

Stop It's 3:03. AIFF is at $1.39, five cents under the $1.44 high from eight minutes ago. Would you buy here?

Press play: the real Level 2, tape and chart run from 3:00 p.m. and stop at 3:03 p.m. ET for your call.

Here's what happened. It stopped at $1.43, under the top. At 3:06 it fell to $1.26 on 164K shares. It closed at $1.29.

What to take from it: The second push stopped below $1.44, and the stock dropped within minutes.

Replay AIFF's day

It starts at 2:29 p.m. ET with the real Level 2, time and sales and chart, from the same feed the replay plays, stops at 2:32 p.m. and asks what you would do. Or press Play on any moment in How it traded.

The details

How it traded, step by step

Intraday run. It opened up 9.7% at $1.02, then ran from the open to the high of $1.44 in 325 minutes.

Time (ET)What happenedWatch it
7:50 a.m.News (GlobeNewsWire): Firefly Neuroscience's Evoke™ Platform Selected to Bring Objective Brain-Function Insights to Radial's AI-Native Operating System for Brain Medicine
7:50 a.m.First trade 20% above the previous close of $0.9301
7:50 a.m.Pre-market high, $1.12
9:30 a.m.The open: $1.02, up 9.7% from the previous close
2:55 p.m.High of the day to the close, $1.44
3:59 p.m.Last trade before the 4:00 p.m. close, $1.29, 10.4% below the high

The shape's name comes from a fixed rule, not a judgement (how shapes are named). Halts are in the halt table below.

The day in numbers
Previous close
$0.9301
Open, 9:30 a.m.
$1.02
Gap at the open
+9.7%
Pre-market high
$1.12 at 7:50 a.m.
High, 4 a.m. to 4 p.m.
$1.44 at 2:55 p.m.
Low, 4 a.m. to 4 p.m.
$0.89
Close, 4 p.m.
$1.29
Change at 4 p.m.
+38.7%
After-hours high, 4 p.m. to 8 p.m.
$1.32 at 5:00 p.m.
Volume, 4 a.m. to 4 p.m.
3.41 million
Volume after hours, 4 p.m. to 8 p.m.
216,975
Relative volume by 8 p.m.
125.3×
Float
14.64 million shares, from filings as of September 17, 2026
Shares outstanding
15.69 million
  • From news to the move: the first trade 20% above the previous close came less than a minute after the latest news item before it (GlobeNewsWire, 7:50 a.m.).
  • Volume, from the one-minute bars: 131,713 shares before the 9:30 a.m. open (4%), 33,861 in the first 30 minutes (1%), and 3.47 million in the rest of the day to 8 p.m. (95%).
  • Other days AIFF met the small-cap rule in our recaps: 1, the latest on September 25, 2026.

On the day's lists: the intraday runners. It is here because it was in play on the intraday runners: up 30% or more on $3 million or more really traded, outside the small-cap rule's price, relative volume or float, its high reached $1 or more and it started the day at $20 or under (the rule every page uses).

Halts (none)

The exchange's halt feed shows no halts for AIFF that day.

Halt bands that day: the LULD plan's Amendment 18 rules (what that means, LULD calculator).

How we read the data, name a day's shape and pick the stocks: methodology.

Trade this day

Replay AIFF on September 17, 2026 in Hindsight Markets: the real tape, the order book and the halts, on a clock you control, and see where your orders would have filled.

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